Wet desulphurization device

Abstract

The utility model relates to the technical field of desulfurization devices, in particular to a wet desulfurization device. According to the technical scheme, the device comprises a frame body, a box body, an air pump, an aeration box and a motor, the motor is arranged at the upper end of the box body, a rotating shaft is arranged at the lower end of the motor, stirring rods are arranged on the outer wall of the lower end of the rotating shaft, a cutting knife is arranged on the outer wall of the lower end of the rotating shaft, a conveying pipe is arranged at one end of the box body, and the air pump is arranged at one end of the box body. An aeration box is arranged in the lower end of the box body, air holes are formed in the upper end of the aeration box, a conveying pump is arranged on one side of the box body, a mounting pipe is arranged in the upper end of the box body, a nozzle is arranged at the lower end of the mounting pipe, and a frame body is arranged on one side of the upper end of the box body. The reaction solution tank is arranged in the lower end of the box body, and desulfurization flue gas forms a plurality of dense small bubbles through the aeration box and the cutting device, so that the contact surface with a reaction solution is increased, and the desulfurization reaction effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization devices, in particular to a wet desulfurization device. Background Art

[0002] Waste gas from cement processing needs to be desulfurized. In the wet desulfurization process, SO2 reacts with it by spraying lime slurry to produce CaSO3. Then, in the presence of oxygen and water, CaSO3 is further oxidized to produce CaSO4·2H2O, which usually precipitates as a solid by-product.

[0003] Publication number CN216630384U retrieved discloses a flue gas wet desulfurization dust collector, including a support base plate, the four corners of the lower end of the support base plate are fixedly connected to universal wheels, the upper left part of the support base plate is fixedly connected to a humidifying device, the left end of the humidifying device is connected to an air intake pipe, the middle part of the upper end of the support base plate is fixedly connected to a mixing device, and a pipeline is connected between the mixing device and the humidifying device, the right part of the outer surface of the mixing device is connected to a filter box through a pipeline, the upper end of the filter box is connected to a heating module, the lower right end of the heating module is connected to a fan through a pipeline, and the right part of the outer surface of the fan is connected to an exhaust pipe. The flue gas wet desulfurization dust collector described in the utility model, by providing a humidifying device and a mixing device, makes the entire flue gas wet desulfurization dust collector have high dust removal efficiency, good desulfurization effect, high stability, and is suitable for use in the flue gas desulfurization and dust removal process.

[0004] The device has significant advantages when used, but there are still some shortcomings in the use process, especially the direct contact between the flue gas and the spray water, the insufficient contact surface with the flue gas, the insufficient reaction time, and the desulfurization effect needs to be improved. For this reason, we propose a wet desulfurization device to solve the existing problems. Utility Model Content

[0005] The utility model aims to propose a wet desulfurization device in view of the problems existing in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wet desulfurization device, comprising a frame, a box, an air pump, an aeration box and a motor, wherein a motor is arranged at the upper end of the box, a rotating shaft is arranged at the lower end of the motor, a stirring rod distributed symmetrically is arranged on the outer wall of the lower end of the rotating shaft, a cutting knife distributed in a circular array is arranged on the outer wall of the lower end of the rotating shaft, a conveying pipe is arranged at one end of the box, an air pump is arranged at one end of the box, an aeration box is arranged inside the lower end of the box, a partition is arranged at one side of the lower end of the box, air holes distributed in a circular array are opened inside the upper end of the aeration box, a conveying pump is arranged at one side of the box, a mounting pipe is arranged inside the upper end of the box, nozzles distributed equidistantly are arranged at the lower end of the mounting pipe, and a frame is arranged at one side of the upper end of the box.

[0007] When a wet desulfurization device in the present scheme is used, the highly polluted flue gas generated in the cement processing process is transported to the inside of the aeration box through a conveying pipe, and the air pump conveys airflow to assist the transportation of the flue gas. After the flue gas enters the inside of the aeration box and is squeezed out through the air holes, bubbles are formed, which react with the lime reaction solution in the reaction pool inside the lower end of the box. During the reaction process, the stirring rod is driven by the motor to stir the pool water, and the cutting knife cuts the bubbles into several small bubbles, which come into contact with the pool water. Under the support of the bubbles, the solid matter passes through the partition, and the overflowed solid matter passes through the partition into one end of the box, is guided by the guide plate, and is output through the valve port. The rising flue gas is sprayed with the desulfurization solution through the nozzle for spray reaction, and then enters the frame through the air outlet. During the flow process, the harmful substances inside are adsorbed by the activated carbon, and the purified gas is transported through the upper end of the frame.

[0008] Preferably, the output end of the air pump passes through the delivery pipe, and the lower end of the delivery pipe passes through the aeration box. The airflow output by the air pump helps push the smoke inside the delivery pipe, and the delivered smoke enters the aeration box.

[0009] Preferably, a guide plate is provided on one side of the partition, the guide plate is located on the inner wall of the lower end of the box, and a valve port is provided on one side of the box. The guide plate plays a guiding role, and the reaction solution inside one end of the box is output through the valve port.

[0010] Preferably, the cutting knife is located above the air hole, and a filter is provided at the extraction end of the air pump to filter the air to prevent solid impurities mixed in the gas extracted by the air pump from entering the reaction tank.

[0011] Preferably, the delivery pump output end passes through the installation box. The delivery pump delivers the reaction solution to the interior of the installation pipe.

[0012] Preferably, the rotating shaft is rotatably mounted inside the upper end of the box body via a bearing, and the rotating shaft is rotatably supported by the bearing.

[0013] Preferably, the upper end of the frame is open, and the lower end of the frame is open, and the frame is provided with activated carbon plates distributed equidistantly, the activated carbon plates are relatively distributed, and airflow channels are provided between the activated carbon plates. The upper end of the frame is open to ensure the passage of internal gas, and the lower end is open to ensure the entry of gas output from the gas outlet, and the flow of flue gas is guided through the airflow channel.

[0014] Preferably, the upper end of the box body is provided with an air outlet, and the air outlet passes through the lower end of the frame body. The air outlet outputs the reacted gas inside the box body and enters the inside of the frame body.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model desulfurizes the waste gas by spraying the reaction solution, and the flue gas is mixed with the reaction solution pool before desulfurization, and a number of bubbles are formed through the aeration box. Under the action of the high-speed rotating blade cutting, the bubbles formed through the pores are cut to form dense small bubbles, and the bubble specifications are reduced, thereby increasing the contact surface with the reaction solution and improving the desulfurization effect of the method. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 For the utility model Figure 1 A schematic diagram of the main section of the middle aeration box;

[0020] Figure 4 This is a schematic diagram of the main three-dimensional structure of the aeration box of the utility model.

[0021] Figure numerals: 1. frame; 2. air outlet; 3. delivery pump; 4. box; 5. air pump; 6. delivery pipe; 7. aeration box; 8. rotating shaft; 9. cutting knife; 10. stirring rod; 11. partition; 12. guide plate; 13. valve port; 14. mounting pipe; 15. nozzle; 16. motor; 17. activated carbon plate; 18. air hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 4 As shown, a wet desulfurization device proposed by the utility model includes a frame 1, a box 4, an air pump 5, an aeration box 7 and a motor 16. The motor 16 is arranged at the upper end of the box 4, and the lower end of the motor 16 is arranged with a rotating shaft 8. The outer wall of the lower end of the rotating shaft 8 is provided with symmetrically distributed stirring rods 10, and the outer wall of the lower end of the rotating shaft 8 is provided with cutting knives 9 distributed in a circular array. A delivery pipe 6 is arranged at one end of the box 4, and an air pump 5 is arranged at one end of the box 4. The output end of the air pump 5 passes through the delivery pipe 6. An aeration box 7 is arranged inside the lower end of the box 4, and the lower end of the delivery pipe 6 passes through the aeration box 7. A partition 11 is arranged on one side of the lower end of the box 4, and a guide plate 12 is arranged on one side of the partition 11. The guide plate 12 is located on the inner wall of the lower end of the box 4. A valve port 13 is arranged on one side of the box 4. The upper end of the air box 7 is provided with air holes 18 distributed in a circular array, the cutting knife 9 is located above the air holes 18, the extraction end of the air pump 5 is provided with a filter, a delivery pump 3 is provided on one side of the box body 4, a mounting pipe 14 is provided inside the upper end of the box body 4, the output end of the delivery pump 3 passes through the mounting box, and the lower end of the mounting pipe 14 is provided with equidistantly distributed nozzles 15. The rotating shaft 8 is rotatably installed with the upper end of the box body 4 through a bearing, and a frame 1 is provided on one side of the upper end of the box body 4. The upper end of the frame 1 is open, and the lower end of the frame 1 is open. Activated carbon plates 17 distributed equidistantly are arranged inside the frame 1, and the activated carbon plates 17 are relatively distributed, and air flow channels are provided between the active carbon plates. An air outlet 2 is provided at the upper end of the box body 4, and the air outlet 2 passes through the lower end of the frame 1.

[0024] Based on the implementation steps of Example 1: the flue gas is transported to the inside of the aeration box 7, the motor 16 drives the rotating shaft 8 to rotate, and drives the cutting knife 9 to cut the flue gas passing through the air hole 18 at the upper end of the aeration box 7, the flue gas is immersed in the reaction solution inside the lower end of the box body 4, and a number of bubbles formed by the air hole 18 are cut into dense small bubbles, and mixed with the solution under the stirring of the stirring rod 10, the contact area between the flue gas and the solution is increased, the reaction time is long, and when passing through the solution accumulated inside the lower end, the spraying reaction continues by spraying, and after the spraying reaction, it is adsorbed by activated carbon, thereby improving the desulfurization effect.

[0025] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A wet desulfurization device, comprising a frame (1), a box (4), an air pump (5), an aeration box (7) and a motor (16), characterized in that: The upper end of the box (4) is provided with a motor (16), the lower end of the motor (16) is provided with a rotating shaft (8), the lower end outer wall of the rotating shaft (8) is provided with symmetrically distributed stirring rods (10), the lower end outer wall of the rotating shaft (8) is provided with cutting knives (9) distributed in a circular array, one end of the box (4) is provided with a delivery pipe (6), one end of the box (4) is provided with an air pump (5), the lower end of the box (4) is provided with an aeration box (7), a partition (11) is provided on one side of the lower end of the box (4), the upper end of the aeration box (7) is provided with air holes (18) distributed in a circular array, a delivery pump (3) is provided on one side of the box (4), the upper end of the box (4) is provided with a mounting pipe (14), the lower end of the mounting pipe (14) is provided with equidistantly distributed nozzles (15), and the upper end of the box (4) is provided with a frame (1).

2. A wet desulfurization device according to claim 1, characterized in that: The output end of the air pump (5) passes through the delivery pipe (6), and the lower end of the delivery pipe (6) passes through the aeration box (7).

3. A wet desulfurization device according to claim 1, characterized in that: A guide plate (12) is provided on one side of the partition plate (11), and the guide plate (12) is located on the inner wall of the lower end of the box body (4). A valve port (13) is provided on one side of the box body (4).

4. A wet desulfurization device according to claim 1, characterized in that: The cutting knife (9) is located above the air hole (18), and a filter screen is provided at the extraction end of the air pump (5).

5. A wet desulfurization device according to claim 1, characterized in that: The output end of the delivery pump (3) passes through the installation box.

6. A wet desulfurization device according to claim 1, characterized in that: The rotating shaft (8) is rotatably mounted inside the upper end of the box body (4) via a bearing.

7. A wet desulfurization device according to claim 1, characterized in that: The upper end of the frame (1) is open, and the lower end of the frame (1) is open. Activated carbon plates (17) are arranged equidistantly inside the frame (1). The activated carbon plates (17) are relatively distributed, and air flow channels are arranged between the activated carbon plates.

8. A wet desulfurization device according to claim 1, characterized in that: An air outlet (2) is provided at the upper end of the box body (4), and the air outlet (2) passes through the interior of the lower end of the frame body (1).

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